{"id":4205,"date":"2018-12-07T16:54:38","date_gmt":"2018-12-07T16:54:38","guid":{"rendered":"https:\/\/www.stvvalves.com\/?post_type=product&#038;p=4205"},"modified":"2025-02-17T18:19:47","modified_gmt":"2025-02-17T10:19:47","slug":"forged-steel-bellows-gate-valve-300lb-large-female-flange","status":"publish","type":"product","link":"https:\/\/www.stvvalves.com\/de\/products\/forged-steel-bellows-gate-valve-300lb-large-female-flange\/","title":{"rendered":"Geschmiedeter Stahlbalg-Absperrschieber, 300LB, gro\u00dfer Innenflansch"},"content":{"rendered":"<p>Our Services<br \/>\nPre-sale service:<br \/>\n1.We have full stock and can deliver within short time.<br \/>\n2.OEM and ODM order are accepted, Any kind of logo printing or design are available.<br \/>\n3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.<br \/>\n4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.<br \/>\nAfter you choose:<br \/>\n1. We will count cheapest shipping cost and make invoice to you at once.<br \/>\n2. Check quality again, then send out to you at 1-2 working day after your payment<br \/>\n3. Email you the tracking no., and help to chase the parcels until it arrive you.<br \/>\nAfter-sale service:<br \/>\n1.We are very glad that customers give us some suggestion for price and products.<br \/>\n2.If you have any question,please contact us freely by E-mail or Telephone.<\/p>\n<p>&nbsp;<\/p>\n<p>What is a bellows sealed valve?<\/p>\n<p>A<span style=\"color: #000000;\">\u00a0<b>Bellow Sealed Valve<\/b>\u00a0is a industrial process\u00a0<b>valve<\/b>\u00a0designed to eliminate\u00a0<b>valve<\/b>\u00a0leakage and are also known as &#8216;Zero Leak\u00a0<b>Valve<\/b>&#8216; or &#8216;Emission Free\u00a0<b>Valve<\/b>. &#8230; A\u00a0<b>bellow<\/b>\u00a0is a long accordion-like tube. As the\u00a0<b>valve<\/b>\u00a0stem strokes, the\u00a0<b>bellow<\/b>\u00a0expands or compresses with the stroke movement..<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Why bellow seal valves are used?<\/p>\n<p>The use of a<span style=\"color: #000000;\">\u00a0<b>bellows seal valve<\/b><\/span>\u00a0significantly reduces external leakage.<span style=\"color: #000000;\"> By covering the circumference of the\u00a0<b>valve<\/b>\u00a0stem with\u00a0<b>bellows<\/b>, leakage from the gland<\/span> components is reduced.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><b>How Do Bellows Seal Valves Work<\/b>? <\/span><\/p>\n<p><span style=\"color: #000000;\">These\u00a0<b>valves<\/b>\u00a0feature an accordion like\u00a0<b>bellows<\/b>\u2014i.e., the\u00a0<b>bellows<\/b>\u00a0cartridge component, welded to the\u00a0<b>valve<\/b>\u00a0stem and bonnet. During the\u00a0<b>valve<\/b>\u00a0stroke the\u00a0<b>bellows<\/b>\u00a0compress or expand along with the sliding stem&#8217;s linear motion with little to no friction.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"4\" width=\"637\"><span style=\"color: #000000;\"><strong><b>DN 15 &#8211; DN 50<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\" width=\"637\"><span style=\"color: #000000;\"><strong><b>150# \/ 300#<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>C.S<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>S.S<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>Low temp.<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><span style=\"color: #000000;\"><strong><b>T min.<\/b><\/strong><\/span><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><span style=\"color: #000000;\"><strong><b>T max.<\/b><\/strong><\/span><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>+425\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>+538\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>+425\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\" rowspan=\"2\" width=\"209\"><span style=\"color: #000000;\"><strong><b>Materials<\/b><\/strong><\/span><\/td>\n<td colspan=\"2\" width=\"224\"><span style=\"color: #000000;\"><strong><b>A105 &amp; LF2<\/b><\/strong><\/span><\/td>\n<td colspan=\"2\" width=\"205\"><span style=\"color: #000000;\"><strong><b>F316\/F304<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"106\"><span style=\"color: #000000;\">150#<\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\">300#<\/span><\/td>\n<td width=\"107\"><span style=\"color: #000000;\">150#<\/span><\/td>\n<td width=\"98\"><span style=\"color: #000000;\">300#<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"141\"><span style=\"color: #000000;\">HYDRO<\/span><\/td>\n<td width=\"67\"><span style=\"color: #000000;\">SHELL<\/span><\/td>\n<td width=\"106\"><span style=\"color: #000000;\">30<\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\">77<\/span><\/td>\n<td width=\"107\"><span style=\"color: #000000;\">29<\/span><\/td>\n<td width=\"98\"><span style=\"color: #000000;\">75<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"67\">SEAT<\/td>\n<td width=\"106\">22<\/td>\n<td width=\"118\">57<\/td>\n<td width=\"107\">21<\/td>\n<td width=\"98\">55<\/td>\n<\/tr>\n<tr>\n<td width=\"141\">AIR<\/td>\n<td width=\"67\">SEAT<\/td>\n<td width=\"106\">7<\/td>\n<td width=\"118\">7<\/td>\n<td width=\"107\">7<\/td>\n<td width=\"98\">7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><\/h4>\n<h4>Testing Pressure in bar (API 598) :<\/h4>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"86\"><span style=\"color: #000000;\"><strong><b>DN<\/b><\/strong><\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\"><strong><b>L<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>H closed<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>\u00d8D<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>\u00d8C<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>Cv<\/b><\/strong><\/span><\/td>\n<td width=\"93\"><span style=\"color: #000000;\"><strong><b>Weight (approx.)<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"118\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\"><\/td>\n<td width=\"93\">[kgs]<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">15<\/td>\n<td width=\"118\">86<\/td>\n<td width=\"102\">200<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">9<\/td>\n<td width=\"102\">2.5<\/td>\n<td width=\"93\">2.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">20<\/td>\n<td width=\"118\">92<\/td>\n<td width=\"102\">210<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"102\">3.5<\/td>\n<td width=\"93\">2.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">25<\/td>\n<td width=\"118\">106<\/td>\n<td width=\"102\">220<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">17<\/td>\n<td width=\"102\">6<\/td>\n<td width=\"93\">4<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">32<\/td>\n<td width=\"118\">130<\/td>\n<td width=\"102\">290<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">23<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"93\">7.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">40<\/td>\n<td width=\"118\">130<\/td>\n<td width=\"102\">300<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">25<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"93\">8<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">50<\/td>\n<td width=\"118\">145<\/td>\n<td width=\"102\">315<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">30<\/td>\n<td width=\"102\">28<\/td>\n<td width=\"93\">13.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modell: WZ41Y-300LB<\/p>\n<p>Geschmiedete Stahlfaltenbalgschieber werden haupts\u00e4chlich in den Rohrleitungen verschiedener Systeme von W\u00e4rmekraftwerken eingesetzt, und das Medium zum Schneiden oder Verbinden der Rohrleitungsmedien eignet sich f\u00fcr: Wasser, Dampf und andere nicht korrosive Medien. Schmiedestahlventile im Vergleich zu anderen Ventilprodukten zeichnen sich durch hohe Temperaturen und hohen Druck sowie ein einzigartiges selbstdichtendes Design aus. Je h\u00f6her der Druck, desto zuverl\u00e4ssiger die Dichtung. Aufgrund der technischen Eigenschaften der Leistung und der besonderen Bedingungen der Arbeitsbedingungen stellt das Produkt auch ein Merkmal dar, das nicht durch andere Produkte ersetzt werden kann.<\/p>\n<p>Funktionen und Vorteile<br \/>\n\u25cf Ein kompaktes, aber \u00e4u\u00dferst robustes Design f\u00fcr den Einsatz bei hohem Druck und Temperatur.<br \/>\n\u25cf Massiver Keil aus CoCr-Legierung (optional) sorgt f\u00fcr geringe Reibung und lange Lebensdauer.<br \/>\n\u25cf Bei Ventilen der Klasse 1500 und f\u00fcr den Dampfbetrieb sind die Sitze mit dem Geh\u00e4use dicht verschwei\u00dft.<br \/>\n\u25cf Packungsringe sind auf 4000 psi vorkomprimiert, um eine hochintegrierte Dichtung zu gew\u00e4hrleisten.<br \/>\n\u25cf Bei geschwei\u00dften Aufsatzventilen wird der Aufsatz eingeschraubt und mit einem festgelegten Drehmomentwert angezogen, und die Geh\u00e4use-Aufsatzverbindung ist fest verschwei\u00dft, was einen doppelten Schutz gegen Leckagen bietet. (Geh\u00e4use-\/Motorhaubengewinde und Festigkeitsschwei\u00dfung).<br \/>\n\u25cf Der vollst\u00e4ndig gef\u00fchrte Keil reduziert den Verschlei\u00df der Sitzfl\u00e4chen.<br \/>\n\u25cf Reparierbarer 2-teiliger Schaftantrieb.<br \/>\n\u25cf Parallelschieber sind ebenfalls erh\u00e4ltlich.<br \/>\n\u25cf Optionale Ausf\u00fchrung mit doppelter Packung, Leckageanschluss, Live-Beladung und Packungsausblas\u00f6ffnung zum einfachen Entfernen alter Packungen erh\u00e4ltlich.<\/p>\n<p>Flanschschieberventil mit Faltenbalgdichtung aus geschmiedetem Stahl<\/p>\n<p>Produktdetails<br \/>\nGr\u00f6\u00dfe: 1\/2\u2033-2\u2033<br \/>\nDruck: Klasse 150LB-600LB<br \/>\nMaterial: A105, F22, LF2, F304, F316, F304L, F316L<br \/>\nDesignstandard: API602, BS 5352<br \/>\nPers\u00f6nlicher Pr\u00e4senzstandard: ANSI B16.10<br \/>\nFlanschstandard: ANSI B16.5<br \/>\nBohrungstyp: Reduzierte Bohrung, Volle Bohrung.<\/p>\n<p>&nbsp;<\/p>\n<p>STV Valve Technology Group Co., Ltd ist ein professioneller Marktf\u00fchrer China API geschmiedeter Stahlfaltenbalg-Absperrschieber, Faltenbalg-Absperrschieber, Faltenbalg-Absperrschieber, China Faltenbalg-Absperrschieber, geschmiedeter Stahl-Faltenbalg-Absperrschieber, geschmiedeter Stahlbalg-Absperrschieber, geschmiedet Stahlbalg-Absperrschieber, Hersteller von geschmiedeten Stahlbalg-Absperrschiebern mit hoher Qualit\u00e4t und wettbewerbsf\u00e4higem Preis.<\/p>\n<p>F\u00fcr weitere Materialien und Details wenden Sie sich bitte an sales@stvvalve.com.<\/p>\n<p>Datumsblatt:<br \/>\n<a href=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2018\/12\/forged-steel-bellows-gate-valve-300lb-drawing.pdf\">Geschmiedeter Stahlbalg-Absperrschieber, 300LB, gro\u00dfer Innenflansch<\/a><\/p>","protected":false},"featured_media":4207,"template":"","meta":[],"product_brand":[],"product_cat":[82,44],"product_tag":[361,360,357,364,363,358,359,362],"class_list":{"0":"post-4205","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bellow-seal-gate-valve","7":"product_cat-gate-valve","8":"product_tag-api-forged-steel-bellows-sealed-gate-valve","9":"product_tag-bellows-seal-gate-valve","10":"product_tag-bellows-seal-valves","11":"product_tag-china-bellows-gate-valve","12":"product_tag-forged-steel-bellow-sealed-flange-gate-valve","13":"product_tag-forged-steel-bellow-sealed-valves","14":"product_tag-forged-steel-bellows-seal-gate-valve","15":"product_tag-forged-steel-bellows-sealed-gate-valve","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/product\/4205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/media\/4207"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/media?parent=4205"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/product_brand?post=4205"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/product_cat?post=4205"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/de\/wp-json\/wp\/v2\/product_tag?post=4205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}